Mac brew-php-switcher 切换PHP版本

安装 brew-php-switcher

brew install brew-php-switcher 

切换为7.3版本

brew-php-switcher 7.3

切换完成后 php -v

$ php -v
PHP 7.3.33 (cli) (built: Jun  7 2022 18:09:36) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.3.33, Copyright (c) 1998-2018 Zend Technologies
    with Zend OPcache v7.3.33, Copyright (c) 1999-2018, by Zend Technologies